The Triumph Dolomite Club - Discussion Forum

The Number One Club for owners of Triumph's range of small saloons from the 1960s and 1970s.
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 Post subject: Re: Sprint fuel lines.
PostPosted: Thu Jun 22, 2017 8:30 am 
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Joined: Fri Apr 15, 2016 11:08 am
Posts: 691
Location: Ayrshire, Scotland
The Elan had a plastic fuel line from new, back in the sixties. When I rebuilt mine I used PTFE (Teflon) pipe as it is semi rigid but flexible, can be used with brass olives if necessary, and from my years in lab work I knew it was almost completely unaffected by every chemical. One of the most inert substances commonly available. I got the pipe from eBay.

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Mike
(1969 MGB GTV8, 1977 Dolomite 1850HL, 1971 MGB roadster now all three on the road)


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 Post subject: Re: Sprint fuel lines.
PostPosted: Thu Jun 22, 2017 8:54 am 
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Joined: Wed Jul 04, 2007 12:27 pm
Posts: 1909
Location: Hampshire
Quote:
Interesting reading everyone's comments. I don't know how I can flare the ends of the 8mm....
The fuel lines don't need to be flared, its all low pressure so won't come off if you use the correct sized rubber hose sections and clips.

And before anyone says anything, I have checked the originals on RUK and NWL so that's one of the first and one of the last and neither have flared fuel lines. I seem to recall that both cars simply had the fuel lines pushed onto the fuel pump as well.

All the shells were the same so you should have some holes for clips. I can show you the rear section and the centre section but the front section's probably going to be different on a OHV car as the fuel pump is the opposite side to a slant.

Bresco do the clips, hose clips and Advanced Fluid Solutions do length of the correct fuel hose as well.

I have all my fuel lines and brake lines, tandem and single if people need photos or measurements.
Quote:
Oh and copper is illegal to use for brake and fuel here in Aus.
Yes, you have some strange laws down there, bike handlebars over 700mm wide are also illegal! :?


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 Post subject: Re: Sprint fuel lines.
PostPosted: Thu Jun 22, 2017 11:35 pm 
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TDC Shropshire Area Organiser

Joined: Sun Aug 21, 2011 5:12 pm
Posts: 7013
Location: Highley, Shropshire
There doesn't seem to be much standardizing (or logic) behind which side the fuel line runs on and most shells seem to have clip holes on both sides. My Toledo with (originally) LHS fuel pump has its pipe on the RHS of the car and my 1850 shell with RHS fuel pump has its pipe on the LHS, but the Sprint shell had both pump and pipe on the RHS.

Since I am more concerned with safety and good engineering practice than originality, I tend to run new pipes along the RHS of the car, ie as far from the exhaust as possible!

Steve

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'73 2 door Toledo with Vauxhall Carlton 2.0 8v engine (The Carledo)
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine (The Dolomega)
'72 Triumph 1500FWD in Slate Grey, Now with RWD and Carledo powertrain!

Maverick Triumph, Servicing, Repairs, Electrical, Recomissioning, MOT prep, Trackerjack brake fitting service.
Apprentice served Triumph Specialist for 50 years. PM for more info or quotes.


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 Post subject: Re: Sprint fuel lines.
PostPosted: Sun Jun 25, 2017 9:59 pm 
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Joined: Sun Jul 19, 2009 11:41 pm
Posts: 1031
Location: Silsoe, Beds
The original fuel lines did not have flared ends, the fuel rail and carbs have no flares either, the flares are on the fuel pump.


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 Post subject: Re: Sprint fuel lines.
PostPosted: Sun Jun 25, 2017 11:12 pm 
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TDC Cheshire Area Organiser

Joined: Wed May 17, 2017 6:28 pm
Posts: 1405
Location: NANTWICH.
Quote:
I would suspect its because copper pipes tend to crack under vibration. You dont get so much of this in a domestic heating
environment whereas you do in a few places where the fuel pipe goes...

Steel was OE....for a reason.

Jonners
i would always use steel over copper, or at least use the plastic fuel line as used on moderns. either way make sure it is well clipped up. :)

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